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1 // included by QuadraticParameterization.cpp | |
2 // accesses internal functions to validate parameterized coefficients | |
3 | |
4 #include "Parameterization_Test.h" | |
5 | |
6 bool point_on_parameterized_curve(const Quadratic& quad, const _Point& point) { | |
7 QuadImplicitForm q(quad); | |
8 double xx = q.x2() * point.x * point.x; | |
9 double xy = q.xy() * point.x * point.y; | |
10 double yy = q.y2() * point.y * point.y; | |
11 double x = q.x() * point.x; | |
12 double y = q.y() * point.y; | |
13 double c = q.c(); | |
14 double sum = xx + xy + yy + x + y + c; | |
15 return approximately_zero(sum); | |
16 } | |
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